| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Raynor, Scarlett A (10)
|
NCRSA |
|
40.92 |
- |
| 2 |
Marriott, Camilla A (10)
|
NCRSA |
41.67 |
42.72 |
1.05 |
| 3 |
Andrews, Stella E (10)
|
NCRSA |
44.40 |
43.15 |
-1.25 |
| 4 |
Scarborough, Katherine M (10)
|
NCRSA |
47.54 |
48.76 |
1.22 |
| 5 |
Davenport, Addison C (10)
|
NCRSA |
51.62 |
49.18 |
-2.44 |
| 6 |
Talwar, Tara (9)
|
NCRSA |
49.90 |
49.72 |
-0.18 |
| 7 |
Malone, Grayson A (9)
|
NCRSA |
47.76 |
49.86 |
2.10 |
| 8 |
Richards, Nora M (10)
|
NCRSA |
51.54 |
50.03 |
-1.51 |
| 9 |
Wardaszka, Mia R (9)
|
NCRSA |
53.70 |
52.12 |
-1.58 |
| 10 |
Jaeger-Sandruck, Maeve A (9)
|
NCRSA |
1:01.55 |
1:01.26 |
-0.29 |